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powerpc/kuap: PPC_KUAP_DEBUG should depend on PPC_KUAP

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commit 61da50b76b62fd815aa82d853bf82bf4f69568f5 upstream.

Currently you can enable PPC_KUAP_DEBUG when PPC_KUAP is disabled,
even though the former has not effect without the latter.

Fix it so that PPC_KUAP_DEBUG can only be enabled when PPC_KUAP is
enabled, not when the platform could support KUAP (PPC_HAVE_KUAP).

Fixes: 890274c2dc ("powerpc/64s: Implement KUAP for Radix MMU")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200301111738.22497-1-mpe@ellerman.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Ellerman 2020-03-01 22:17:38 +11:00 • committed by Greg Kroah-Hartman
commit b48331b52a
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/Kconfig.cputype
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@ -389,7 +389,7 @@ config PPC_KUAP
config PPC_KUAP_DEBUG
bool "Extra debugging for Kernel Userspace Access Protection"
depends on PPC_HAVE_KUAP && (PPC_RADIX_MMU || PPC_32)
depends on PPC_KUAP && (PPC_RADIX_MMU || PPC_32)
help
Add extra debugging for Kernel Userspace Access Protection (KUAP)
If you're unsure, say N.